What were the first organisms to have sex? We may never know the answer, but as Bill Nye explains in this Big Think interview, scientists are very interested in why sexual activity remains so popular in nature...

Penn Jillette

Magician

Author, "Every Day is an Athiest Holiday"

Penn Jillette is an American magician, comedian, and author, and is half of "Penn and Teller." Jillette began his career as a juggler, graduating from Ringling Brothers and Barnum & Bailey Clown College, and in 1981 he teamed up with his friend Teller for a famous off-Broadway show. Since 2003, Penn and Teller have hosted the popular television show "Penn & Teller: Bullshit!" in which they debunk popular misconceptions or pseudo-scientific beliefs. Jillette is an outspoken advocate of atheism and libertarianism, and is the author of the novel "Sock."

The most important thing is to feel about things you feel about – should feel about – and think about things you should think about. You should not feel about the speed of light or evolution and you should not...

The most important thing is to feel about things you feel about – should feel about – and think about things you should think about. You should not feel about the speed of light or evolution and you should not...

Penn Jillette says there is no such thing as a war on Christmas. And yet, Jillette says we're leaving out "close to 30 percent of the population of the United States of America...Why can’t you just say, it’s a...

WARNING: adult language.
In this installment of Penn Jillette's Atheist's Guide to the 2012 Election, the Penn and Teller illusionist (and outspoken atheist) sizes up Mitt Romney's religion, along with what he...